fbc581382db11cf15ea043121e1b2bb414e4e230bd87ddf18cbcb25cf5f8642d

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/07/2024, 08:30

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General

Target

dzperl58.exe
Size

1.8MB
MD5

a43c6aeb17611747c1b550f01f23b55a
SHA1

2ae0fe09002101196feaff9ed11f364a02596406
SHA256

ba64f9fa7624433ea60653c3641049fda289c891e969a23a0f03e1e7fea0fb01
SHA512

0bfc6b30c1a6eb3f57107f956c26b0d95230db425af9aa6b0bf3665c32853812333a7d14c2c8acaa304c231008e755aae0feb683b49f625ae1808dc065de1c19
SSDEEP

49152:iGnJhj1FVTNPwg5gBVxsrhMjOlohVQwULgLX+Nj:jlFF+4rhOjkwiAM

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2764	is-KOQHV.tmp

Loads dropped DLL 3 IoCs

pid	Process
1788	dzperl58.exe
2764	is-KOQHV.tmp
2764	is-KOQHV.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	is-KOQHV.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30
PID 1788 wrote to memory of 2764	1788	dzperl58.exe	30

C:\Users\Admin\AppData\Local\Temp\dzperl58.exe
"C:\Users\Admin\AppData\Local\Temp\dzperl58.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\is-KU70V.tmp\is-KOQHV.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KU70V.tmp\is-KOQHV.tmp" /SL4 $400C4 "C:\Users\Admin\AppData\Local\Temp\dzperl58.exe" 1568416 58368
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\is-5D3T3.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KU70V.tmp\is-KOQHV.tmp

Filesize
663KB

MD5
267548fab3a91835de6398fa26d2cb4f

SHA1
8b1b50d069fafea5a50a05054fa20f5ad4b0a066

SHA256
675a56ea0b5bf5e90cd4650dd7d25c5e8630a8d27cb641d7eaac8c1b809dc398

SHA512
17c1363412475774a053e0f2e93fda948038bda252bde1e428c327b7a31bb6f2c8be6cc3afd027eeda70944440ad52e899372b5f9838032b7d0db261fbbdcc65

Download Submit
memory/1788-3-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/1788-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1788-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2764-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download